M-3430

M-3430 Generator Protection System

Please Note: As of 12/31/2022, Beckwith Electric will no longer be manufacturing the M-3430 Generator Protection System.

Beckwith will accept orders for these products until 8/31/2022 and all products ordered must ship before 12/31/2022.
Please contact us to request a quote and place orders.
This product may have an alternative replacement product, M-3425A, depending on your application needs. Please contact us for details

Microprocessor-based Generator Protection Relay that uses digital signal processing technology to provide fifteen protective relaying functions
Individually programmed input contacts that can be programmed to activate the output contacts.
Provides time-targeted information for the 32 most recent events
Local and remote communications ability

Protective Functions

Dual-zone phase distance protection for phase fault backup (21)
Overexcitation (V/Hz) protection (24)
Sensitive dual-setpoint reverse power detection suitable for sequential tripping (32)
Dual-zone offset-mho loss-of-field protection (40)
Sensitive negative-sequence overcurrent protection and alarming (46)
Generator breaker failure protection (50BF)
Inadvertent generator energizing protection (50/27)
Phase overvoltage (59) and undervoltage (27) protection
100% stator ground fault protection (59N/27TN)
VT fuse-loss detection and blocking (60FL)
Four-step over/underfrequency protection (81)
Generator phase differential protection (87)